Search for: [Subject and Keywords = gulls] OR [Subject and Keywords = ecology] OR [Subject and Keywords = Poland] OR [Subject and Keywords = Warsaw \(Poland\)] OR [Subject and Keywords = Vistula River Valley] OR [Subject and Keywords = birds] OR [Subject and Keywords = dynamic of the counting] OR [Subject and Keywords = flight directions] OR [Subject and Keywords = Laridae] OR [Subject and Keywords = Aves] OR [Subject and Keywords = Mewy \-\- ekologia \-\- Polska \-\- Warszawa \(region\) \[KABA\]] OR [Subject and Keywords = Mewy \-\- ekologia \-\- Polska \-\- Wisły, Dolina \[KABA\]] OR [Subject and Keywords = mewy] OR [Subject and Keywords = ptaki] OR [Subject and Keywords = kierunki lotów] OR [Subject and Keywords = dynamika liczebności] OR [Subject and Keywords = Laridae] OR [Subject and Keywords = Aves] OR [Title = Badania nad dynamiką liczebności i kierunkami lotów niektórych gatunków Laridae na Wiśle pod Warszawą] OR [Title = Badania nad dynamiką liczebności i kierunkami lotów niektórych gatunków Laridae na Wiśle pod Warszawą] OR [Creator = Luniak, Maciej \(1936– \)] OR [Creator = Luniak, Maciej \(1936– \)]

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